1WIDE TEMPERATURE RANGE: The freezer temperature controller has a temperature control range of 40 to 50 and a temperature measurement range of 50 to 99 2WIDE APPLICATION: 220V thermostat can be used in high power equipment, such as incubators, breeders, refrigerators, fermenters, greenhouses, etc. 3HIGH ACCURACY: The freezer temperature regulator has an accuracy of 1 to keep the temperature within the desired range, accurate and reliable 4ACCURATE AND EFFECTIVE: Dual temperature probe bring accurate measurement, designed for use in kitchen freezers, refrigerators, cooked food cabinets, etc. 5POWER SAVING DESIGN: With a power consumption of less than 3W, this temperature controller help you save on energy costs while maintaining the perfect temperature for your stored goods 1 x Freezer Temperature Controller